Omada Controller XML External Entity (XXE) Injection in SAML IdP Metadata Parsing Leading to Arbitrary Local File Read
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-611 and the CVSS impact.
Summary
An information disclosure vulnerability in the SAML Single Sign-On (SSO) functionality of Omada Controller allows an authenticated user with SAML configuration privileges to access sensitive information due to insufficient validation of user-supplied SAML metadata. Successful exploitation could result in unauthorized disclosure of sensitive information.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| TP-Link | Omada Software Controller (Windows) | before 6.2.14.11 | 6.2.14.11 | Patch available | CNA |
| TP-Link | Omada Software Controller (Linux) | before 6.2.14.11 | 6.2.14.11 | Patch available | CNA |
| TP-Link | OC2000 v1 | before 1.41.11 Build 20260711 | 1.41.11 Build 20260711 | Patch available | CNA |
| TP-Link | OC2000 v2 | before 2.26.11 Build 20260711 | 2.26.11 Build 20260711 | Patch available | CNA |
| TP-Link | OC200 v3 | before 3.3.11 Build 20260711 | 3.3.11 Build 20260711 | Patch available | CNA |
| TP-Link | OC220 v1 | before 1.6.11 Build 20260711 | 1.6.11 Build 20260711 | Patch available | CNA |
| TP-Link | OC220 v2 | before 2.5.11 Build 20260711 | 2.5.11 Build 20260711 | Patch available | CNA |
| TP-Link | OC300 v1 | before 1.35.11 Build 20260711 | 1.35.11 Build 20260711 | Patch available | CNA |
| TP-Link | OC400 v1 | before 1.13.11 Build 20260711 | 1.13.11 Build 20260711 | Patch available | CNA |
- Omada Software Controller (Windows) VendorTP-Link Affected before 6.2.14.11 Fixed in 6.2.14.11 Patch available CNA
- Omada Software Controller (Linux) VendorTP-Link Affected before 6.2.14.11 Fixed in 6.2.14.11 Patch available CNA
- OC2000 v1 VendorTP-Link Affected before 1.41.11 Build 20260711 Fixed in 1.41.11 Build 20260711 Patch available CNA
- OC2000 v2 VendorTP-Link Affected before 2.26.11 Build 20260711 Fixed in 2.26.11 Build 20260711 Patch available CNA
- OC200 v3 VendorTP-Link Affected before 3.3.11 Build 20260711 Fixed in 3.3.11 Build 20260711 Patch available CNA
- OC220 v1 VendorTP-Link Affected before 1.6.11 Build 20260711 Fixed in 1.6.11 Build 20260711 Patch available CNA
- OC220 v2 VendorTP-Link Affected before 2.5.11 Build 20260711 Fixed in 2.5.11 Build 20260711 Patch available CNA
- OC300 v1 VendorTP-Link Affected before 1.35.11 Build 20260711 Fixed in 1.35.11 Build 20260711 Patch available CNA
- OC400 v1 VendorTP-Link Affected before 1.13.11 Build 20260711 Fixed in 1.13.11 Build 20260711 Patch available CNA
Remediation
- Fix · CNA Omada Software Controller (Windows) (TP-Link Systems Inc.) Fixed in 6.2.14.11
- Fix · CNA Omada Software Controller (Linux) (TP-Link Systems Inc.) Fixed in 6.2.14.11
- Fix · CNA OC2000 v1 (TP-Link Systems Inc.) Fixed in 1.41.11 Build 20260711
- Fix · CNA OC2000 v2 (TP-Link Systems Inc.) Fixed in 2.26.11 Build 20260711
- Fix · CNA OC200 v3 (TP-Link Systems Inc.) Fixed in 3.3.11 Build 20260711
- Fix · CNA OC220 v1 (TP-Link Systems Inc.) Fixed in 1.6.11 Build 20260711
- Fix · CNA OC220 v2 (TP-Link Systems Inc.) Fixed in 2.5.11 Build 20260711
- Fix · CNA OC300 v1 (TP-Link Systems Inc.) Fixed in 1.35.11 Build 20260711
- Fix · CNA OC400 v1 (TP-Link Systems Inc.) Fixed in 1.13.11 Build 20260711
Timeline
- 2026-10-02 Threatist record created from CVE-2026-84941
- 2026-10-03 Alias added: GHSA-8qr5-rrw5-mq36
References
Patch 4
More TP-Link vulnerabilities
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- TI-2023-27456 Authentication bypass by spoofing in TP-Link TL-WR841N KEVCVSS 3.1MEDIUM 6.5
Sources
- CVE-2026-84941 · CVE Program
- CVE-2026-84941 · NVD
- FIRST EPSS
- GHSA-8qr5-rrw5-mq36 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences